1) your query is not clear
2)you have said 'they tretens us to return all the money else they will take me to court.previously girls asked me about money and told me to transfer the amount in the month of december and and i have given all the expenses details of thay money.'
3)was any money transferred to your account or your family account?
4) did you receive any payment in cash?
5) if the money was given for marriage expenses return the money to her family
6) forget the girl and move on in life
7) dont file any suit for damages as girl may file counter case of dowry harassment
8) it would be her case that marriage was called off as your family demanded dowry